git: openjdk/jdk: master: 8364409: [BACKOUT] Consolidate Identity of self-inverse operations

[Manuel Hässig]

Changeset: ddb64836
Branch: master
Author:    Manuel Hässig <mhaessig at openjdk.org>
Date:      2025-07-31 12:12:15 +0000
URL:       https://git.openjdk.org/jdk/commit/ddb64836e5bafededb705329137e353f8c74dd5d

8364409: [BACKOUT] Consolidate Identity of self-inverse operations

Reviewed-by: thartmann, bmaillard, hgreule

! src/hotspot/share/opto/subnode.cpp
! src/hotspot/share/opto/subnode.hpp
- test/hotspot/jtreg/compiler/c2/irTests/InvolutionIdentityTests.java
! test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java